*{
	padding: 0;
	margin: 0;
	list-style: none;
}
.nav1{
	height: 68px;
	background-color: #f6f6f6;
	
}
body{
	width: 1270px;
}
.fl{
	float: left;
	width: 12%;
	text-align: center;
}
.nav1::after{
	content: "";
	display: block;
	clear: both;
}
.one{
	line-height: 68px;
}
.ul2{
	width: 150px;
	display: none;
	position: absolute;
}
.ul1>li:hover>.ul2{
	display: block;
	background-color: #dddddd;

}